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    Item #: CMG10220

    CMMG 5.56 Upper Complete M4-LE 16 Inch

    Shop CMMG 5.56 Upper Complete M4-LE 16 Inch at - The hunt begins here. Fast shipping, great prices & large selection at America’s Premier Waterfowl Outfitter!
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    Product Description

    The upper is built off of the standard forged A3 receiver with M4 feed ramps. The barrel is made of 4140 steel, M4 profile, 5.56mm chamber and bore, 1:9 twist ratio and 1/2x28 threaded barrel and proprietary WASP surface treatment.

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